The answer is A because the males sperm determines the sex of a baby.The determines sperm is carrying an X or Y chromosome.
Q6: A
Q7:D
Q8:C
Reasoning
Q6: Based on all the other questions talking about common ancestors I deduced that to find a “common” ancestor they need to find things that are the same.
Q7: All arthropod have a exo skeleton for example a lobster or crab. They all have a head, abdomen and thorax for example ants. They all have legs with joints for example a spider.
Q7:So bones are traveled down by ancestors so the types of bones stay the same but natural selection has changed them to better fit their environment.
Answer: B)
humans and chimps share a common ancestor.
Explanation:
9:3:3:1
Using white tall (RRBB)and black short (rrbb) as an instance
Then I have white tall:9
White short:3
Black tall:3
Black short: 1
So this shows the phenotypic expression of a heterozygous with a dominant and recessive growth
The four phenotype in this dihybrid in a Punnett square is stated above as 9:3:3:1
Thanks
