B1 You and Your Genes Aiming for A – – Aiming for Aiming for Aiming for E Grade C Grade A understand recall what understand that genes genes are what genes determine and do, and recall some understand the characteristics how they difference of an determine between organism structural and functional proteins recall how recall how many many chromosomes there are in chromosomes body and sex cells and how there are in many alleles for each gene body cells an individual usually has and in sex cells recall that an understand understand individual that alleles that having usually has a in a pair may both alleles pair of alleles be the same the same in for each gene or different, a pair is and called understand the and significance having of different different alleles alleles in a pair is called us understand understand how genes that genes combine and produce produce variation in offspring, why variation in offspring have some offspring similarities to their parents and why different offspring from the same parents can differ understand understand understand what is meant the meaning why a by dominant of dominant person will and recessive and not show characteristics recessive the alleles; of their use family recessive trees and allele; Punnett squares to understand show the the terms inheritance genotype of single and gene phenotype with a
B1 – You and Your Genes – Aiming for A Aiming for E Aiming for Grade C Aiming for Grade A understand that genes determine some characteristics of an organism recall what genes are and understand how they determine understand what genes do, and recall the difference between structural and functional proteins recall how many chromosomes there are in body cells and in sex cells recall how many chromosomes there are in body and sex cells and how many alleles for each gene an individual usually has recall that an individual usually has a pair of alleles for each gene understand that alleles in a pair may be the same or different, and understand the significance of different alleles understand that having both alleles the same in a pair is called and having different alleles in a pair is called understand that genes produce variation in offspring understand how genes combine and produce variation in offspring, why offspring have some similarities to their parents and why different offspring from the same parents can differ understand what is meant by dominant and recessive characteristics understand the meaning of dominant and recessive alleles; use family trees and Punnett squares to show the inheritance of single gene with a understand why a person will not show the of their recessive allele; understand the terms genotype and phenotype us